[INFO] cloning repository https://github.com/norcalli/kjson-section
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/norcalli/kjson-section" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorcalli%2Fkjson-section", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorcalli%2Fkjson-section'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9472fb5fd2507422bab3f3a48d0e9485eeb2285d
[INFO] building norcalli/kjson-section against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorcalli%2Fkjson-section" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/norcalli/kjson-section
[INFO] finished tweaking git repo https://github.com/norcalli/kjson-section
[INFO] tweaked toml for git repo https://github.com/norcalli/kjson-section written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/norcalli/kjson-section on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/norcalli/kjson-section already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b73f5e72b3cfda605a06f10b7c0f85343460e09dee56b923bfcd31e92bd473ca
[INFO] running `Command { std: "docker" "start" "-a" "b73f5e72b3cfda605a06f10b7c0f85343460e09dee56b923bfcd31e92bd473ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b73f5e72b3cfda605a06f10b7c0f85343460e09dee56b923bfcd31e92bd473ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73f5e72b3cfda605a06f10b7c0f85343460e09dee56b923bfcd31e92bd473ca", kill_on_drop: false }`
[INFO] [stdout] b73f5e72b3cfda605a06f10b7c0f85343460e09dee56b923bfcd31e92bd473ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74137bedc497d9346a3da7128ed2e1d99a2ce1dbe179539bd6fe87592717525d
[INFO] running `Command { std: "docker" "start" "-a" "74137bedc497d9346a3da7128ed2e1d99a2ce1dbe179539bd6fe87592717525d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling section v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `s` is never read
[INFO] [stdout]   --> src/char_section.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct CharSection<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 15 |     n: usize,
[INFO] [stdout] 16 |     s: &'a str,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CharSection` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "74137bedc497d9346a3da7128ed2e1d99a2ce1dbe179539bd6fe87592717525d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74137bedc497d9346a3da7128ed2e1d99a2ce1dbe179539bd6fe87592717525d", kill_on_drop: false }`
[INFO] [stdout] 74137bedc497d9346a3da7128ed2e1d99a2ce1dbe179539bd6fe87592717525d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4d76ae809d438df1db39377a46b762d57fcf241a0d883ee307ac41657c020b9
[INFO] running `Command { std: "docker" "start" "-a" "e4d76ae809d438df1db39377a46b762d57fcf241a0d883ee307ac41657c020b9", kill_on_drop: false }`
[INFO] [stdout] warning: field `s` is never read
[INFO] [stdout]   --> src/char_section.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct CharSection<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 15 |     n: usize,
[INFO] [stdout] 16 |     s: &'a str,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CharSection` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling section v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e4d76ae809d438df1db39377a46b762d57fcf241a0d883ee307ac41657c020b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d76ae809d438df1db39377a46b762d57fcf241a0d883ee307ac41657c020b9", kill_on_drop: false }`
[INFO] [stdout] e4d76ae809d438df1db39377a46b762d57fcf241a0d883ee307ac41657c020b9